Meta and the security industry collaborate to secure the internet

Interesting; a new initiative at Facebook to be more open about internal findings (few of these get disclosed at most companies).

Your guess is as good as mine as to why Facebook's red team does research on PLCs.

It would be great if facebook could fix it's other bugs too. From last week:

Facebook Accused of ‘Whitewashing’ Long-Awaited Human Rights Report on India

https://time.com/6197154/facebook-india-human-rights/

HN discussion: https://news.ycombinator.com/item?id=32149678

"Foxes volunteer for guard duty at henhouse."

This is the best joke i ever heard in a while. To secure their data collection maybe.